Always include "error" value in ErrorResponse data
Always include "error" value in ErrorResponse data

- Plus a few style changes to satisfy my linter

codeforboston/cornerwise,cityofsomerville/cornerwise,cityofsomerville/citydash,cityofsomerville/cornerwise,cityofsomerville/citydash,cityofsomerville/cornerwise,cityofsomerville/citydash,codeforboston/cornerwise,cityofsomerville/citydash,cityofsomerville/cornerwise,codeforboston/cornerwise,codeforboston/cornerwise